How can a particular frame be targeted, from a hyperlink, in JavaScript?
This can be done by including the name of the required frame in the hyperlink using the ‘target’ attribute. <a href="/newpage.htm" target="newframe">>New Page</a>
What boolean operators can be used in JavaScript?
The ‘And’ Operator (&&), ‘Or’ Operator (||), and the ‘Not’ Operator (!) can be used in JavaScript. *Operators are without the parenthesis.
Is JavaScript case sensitive? Give its example.
Yes, JavaScript is case-sensitive. For example, a function parseInt is not the same as the function Parseint.
What is event bubbling?
JavaScript allows DOM elements to be nested inside each other. In such a case, if the handler of the child is clicked, the handler of the parent will also work…
What is the difference between .call() and .apply()?
The function .call() and .apply() are very similar in their usage except a little difference. .call() is used when the number of the function’s arguments are known to the programmer,…
What are the important properties of an anonymous function in JavaScript?
A function that is declared without any named identifier is known as an anonymous function. In general, an anonymous function is inaccessible after its declaration. Anonymous function declaration – var…
What is for-in loop in Javascript?
The for-in loop is used to loop through the properties of an object. The syntax for the for-in loop is – for (variable name in object){ statement or block to…
How can a value be appended to an array?
A value can be appended to an array in the given manner – arr = value;
How closures work in JavaScript?
The closure is a locally declared variable related to a function that stays in memory when it has returned. For example: function greet(message) { console.log(message); } function greeter(name, age) {…
What is a window.onload and onDocumentReady?
The onload function is not run until all the information on the page is loaded. This leads to a substantial delay before any code is executed. onDocumentReady loads the code…